Home / 32,830.36-45,305.86-19,406.46

Finding the Fourth Proportional to 32,830.36, 45,305.86 and 19,406.46

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Solution

The fourth proportional to 32,830.36, 45,305.86 and 19,406.46 is: 26,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.36 : 45,305.86 = 19,406.46 : x
  2. Step 2: Convert to fraction form
    32,830.36/45,305.86 = 19,406.46/x
  3. Step 3: Cross multiply
    32,830.36x = 45,305.86 × 19,406.46
  4. Step 4: Simplify right side
    32,830.36x = 879,226,359.86
  5. Step 5: Solve for x
    x = 879,226,359.86/32,830.36
  6. Step 6: Final answer
    x = 26,780.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.